Engineering
Using PDF Tools Offline with a Progressive Web App
How RookPDF's PWA foundation improves reliability on laptops, tablets and phones.
Rook Dev Studio•3 min read•
Offline-first product expectations
A PDF utility should remain useful when a connection is poor. RookPDF caches key app assets, offers an offline page and keeps core browser tools independent of server processing.
No compromise on privacy
Offline support reinforces the local processing model: files never need to leave the device for supported browser workflows.